Old man liverspots and all, eww.
As to the tattoo, itself, nothing at all against tattoos. I have a dragon based off my own drawing on my right shoulder and my wife has a tiger on the inside of her ankle.
But Garrosh? While it seemed well done, the subject material... ehh... wouldn't perhaps consider that the wisest of life choices, but hey, you're a big boy and are entitled to make those decisions and enjoy them for better or for worse.